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Waiman Long authored
Track the number of slowpath locking operations that are being done without any MCS node available as well renaming lock_index[123] to make them more descriptive. Using these stat counters is one way to find out if a code path is being exercised. Signed-off-by:
Waiman Long <longman@redhat.com> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: James Morse <james.morse@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: SRINIVAS <srinivas.eeda@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com> Link: https://lkml.kernel.org/r/1548798828-16156-3-git-send-email-longman@redhat.comSigned-off-by:
Ingo Molnar <mingo@kernel.org>
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